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(NoM0d B, RRY & D. B. BRIGGS.

MEANS FOR LUBRIGATING PIGKING TAPPETS 0P WEAVING LOOMS.

No. 411.490. Patented Sept. 24, 1889...

N4 PETERS. Pholoihhographer. waamn mn, D. C.

UNITED STATES PATENT OFFICE.

BENJAMIN BERRY AND DANIEL BATEMAN BRIGGS, OE BRADFORD, ENGLAND.

MEANS FOR LUBRICATING PICKING-TAPPETS 0F WEAVING-LOOMS.

SPECIFICATION forming part of Letters Patent No. 411,490, dated September 24, 1889.

Application filed May 22, 1889.

To all whom it may concern:

Be it known that we, BENJAMIN BERRY and DANIEL BATEMAN BRIGGS, subjects of the Queen of England, residing at Bradford, En gland, have invented certain Improvements in Means for Lubricating Picking-Tappets of \VeaVing-Looms, of which the following is a specification.

This invention relates to improvements in the picking-tappets of the Orolnpton and other similar types of weaving-looms; and its object is to facilitate the lubrication of the antifriction roller or bowl carried by this class of tappet.

The said improvements consist in casting said tappets hollow, in the manner hereinafter described, and so forming a chamber for the reception of the lubricant which is automatically supplied to lubricate said anti-friction roller.

In the accompanying drawings, Figure 1 represents a longitudinal section through the center of the tappet, and Fig. 2 is a side view of the same.

The tappet A is cored out when cast so as to form the chamber B, and a hole is truly bored to tightly fit the central boss 0 of the tappet, and such tappet is shrunk thereon, or a tight joint made in any convenient manner. An air-valve E is fitted in the opposite end of the tappet to that carrying the anti-friction roller or bowl F, and such valve also forms Serial No. 311,657. (No model.)

the orifice by which the chamber B is filled with lubricant. A fine hole or educt G, drilled through the tappet, communicates with the chamber B and allows the passage of a minute supply of lubricant to the bowl F when it reaches its lowest point in each revolution, the air-valve dropping open to allow the lubricant to flow freely. As the tappet revolves and the air-valve E passes to the lower side, it closes by its own weight and prevents the lubricant escaping.

We claim 1. A tappet for weaving-looms, provided with a lubricating-chamber having a duct leading to the anti-friction roller carried by said tappet adapted to supply said roller with lubricant, substantially as herein shown and described.

2. The combination, with a tappet provided with a lubricating-chamber and an educt, of an air-valve arranged for the passage of air, substantially as herein shown and described, and for the purpose specified.

In testimony whereof we have hereunto set our hands in the presence of the two subscribing witnesses.

BENJAMIN BERRY. DANIEL BATEMAN BRIGGS.

Witnesses:

SAMUEL A. DRAcUP, DAVID NORVELL. 

